/*
 * Copyright (c) 2011, Michael van der Westhuizen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *    - Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    - Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials provided
 *      with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef PYXMLSEC1_XMLTREE_C_MCVDW_20110216
#define PYXMLSEC1_XMLTREE_C_MCVDW_20110216

#include "pyxmlsec.h"

#include <xmlsec/xmltree.h>



PyObject * xmlsec1_xmlSecFindNode(PyObject * self, PyObject * args, PyObject * kwds)
{
    PyObject * arg1;
    PyObject * arg2;
    PyObject * arg3;
    xmlNodePtr parent;
    xmlChar * name;
    xmlChar * ns;
    xmlNodePtr ptr;
    PyObject * ret;

    static char * kwlist[] = {"parent", "name", "ns", NULL};

    arg1 = arg2 = arg3 = ret = NULL;
    parent = ptr = NULL;
    name = ns = NULL;

    if (!PyArg_ParseTupleAndKeywords(args, kwds, "OO|O", kwlist, &arg1, &arg2, &arg3))
    {
        return NULL;
    }

    if (NULL == (parent = xmlsec1mod_unwrap_xmlNodePtr(arg1)))
    {
        ENSURE_EXCEPTION_SET(xmlsec1mod_unwrap_xmlNodePtr);
        return NULL;
    }

    if (0 != xmlsec1_UnicodeOrBytesToXmlCharPtr(arg2, &name, NULL))
    {
        ENSURE_EXCEPTION_SET(xmlsec1_UnicodeOrBytesToXmlCharPtr);
        return NULL;
    }

    if (NULL != arg3 && Py_None != arg3)
    {
        if (0 != xmlsec1_UnicodeOrBytesToXmlCharPtr(arg3, &ns, NULL))
        {
            ENSURE_EXCEPTION_SET(xmlsec1_UnicodeOrBytesToXmlCharPtr);
            xmlFree(name);
            return NULL;
        }
    }

    ptr = xmlSecFindNode(parent, name, ns);

    if (NULL != ns)
    {
        xmlFree(ns);
    }

    xmlFree(name);

    if (NULL == ptr)
    {
        if (PyErr_Occurred())
        {
            return NULL;
        }

        Py_RETURN_NONE;
    }

    if (NULL == (ret = xmlsec1mod_wrap_xmlNodePtr(ptr)))
    {
        ENSURE_EXCEPTION_SET(xmlsec1mod_wrap_xmlNodePtr);
        return NULL;
    }

    return ret;
}

#if 0
#endif

#endif
